Cotton beveling engrafting method

A cotton and cutting technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of labor-intensive and slow grafting, and achieve the effect of simple operation and fast grafting.

Inactive Publication Date: 2009-07-29
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with this method of grafting, the rootstock and the scion need to be cut at least 2 times each, and the cut surface of the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0015] Example 1

[0016] On April 12, 2008, the joint nuclear kapok (collected in Lingshui County, Hainan Province) used as the rootstock and the nuclear male sterile dual-use line GA5 of upland cotton used as the scion (quoted from the Institute of Economic Crops, Sichuan Academy of Agricultural Sciences) were sown at the same time. Pour water in the nutrition cup, and sprout in a small arch covered with plastic film. The outside of the shed is shaded with a sunshade net to keep the temperature in the shed at 20℃-35℃ and the natural relative humidity in the shed. Seedlings emerge 4 days after sowing. On the 8th day, select seedlings that grow robustly, have no pests and diseases, and have the same stem or hypocotyl diameter, and graft them as follows:

[0017] (1) Cut the rootstock seedlings at the cotyledon node with a razor blade downwards to the other side to form a flat section with a length of 0.5-1.5cm. Then place the scion seedlings on the stem or hypocotyl diameter and t...

Example Embodiment

[0021] Example 2

[0022] On June 12, 2008, the joint nuclear kapok (collected in Lingshui County, Hainan Province) used as the rootstock and the nuclear male sterile dual-use line GA5 of upland cotton used as the scion (quoted from the Institute of Economic Crops, Sichuan Academy of Agricultural Sciences) were sown at the same time. In the nutrition cup, placed in an artificial climate box, set 12 hours of light and 12 hours of night, the daytime light intensity is 178μmol·m 2 ·S -1 , The temperature is 30℃; it is dark at night, the temperature is 20℃, and the relative humidity during the whole process is 80%. Seedlings emerge 5 days after sowing. On the 10th day, select seedlings with robust growth, no diseases and insect pests, and the diameter of stems or hypocotyls to be grafted according to the following steps:

[0023] (1) Cut the rootstock seedling at the cotyledon node with a blade upwards and diagonally to the other side, the length of the cutting surface is 1-2cm, and t...

Example Embodiment

[0027] Example 3

[0028] On July 5, 2008, the Kapok kapok (seed source is the same as in Example 2) plants grown in the field with a plant height of about 0.5m, cut off the part above 20cm of the base of the stem, and transplanted it into a nutrient cup for use as a rootstock; At the same time, cut the branches of the male sterile dual-purpose line GA5 (the seed source is the same as in Example 2), and the stem diameter is equivalent to the diameter of the grafted rootstock stem top (the difference between the two diameters is not more than 3mm), and cut it It becomes a stem segment with 1 to 2 axillary buds, which is used as a scion. Follow the steps below to graft:

[0029] (1) Obliquely cut the top of the rootstock stem to the other side with a razor blade, the length of the cut surface is 1.5-3cm, and then cut the lower part of the scion stem with a blade downward or upward from one side of the stem to the other side. The length of the cut surface is the same as that of the r...

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Abstract

The invention relates to a cotton beveling grafting method. The method comprises the following steps: selecting a healthily growing cotton seedling or plant without plant diseases and insect pests as a parent stock and a scion, beveling the stem from one side to the other side through a blade or a grafting knife at the position where the stem or plumular axis diameters of the parent stock and the scion are approximately equal so as to form flat cut surfaces, then adhering the cut surfaces of the parent stock to the scion, fixing the joint position through a grafting clamp or binding up the joint position through adhesive sticker tag paper, then shifting the grafted seedling into a thermal and moisture insulation environment, and hardening the seedling and transplanting the seedling to a field after the interface is healed. The cotton grafting method has very simple operation and a high grafting speed. One plant can be grafted in less than ten minutes in average. The grafting survival rate can reach above 95 percent. The method can be used for grafting any cotton seedling and cotton plant.

Description

technical field [0001] The invention relates to a plant grafting method, in particular to a cotton grafting method. Background technique [0002] Cotton grafting generally adopts split grafting or leaning grafting. [0003] In 2005, Ma Zhiying and others invented the "Cotton Grafting and Grafting Method" (CN200510090827.7). It is made by cutting the stock into a "V" shape and cutting the scion into an inverted "V". But grafting with this method needs to cut at least 2 knives respectively to rootstock and scion, and requires rootstock and scion cut surface smooth, otch fits, comparatively takes a lot of work, and grafting speed is slow. Contents of the invention [0004] The purpose of the present invention is to provide a more convenient and quick cotton grafting method, i.e. the cotton oblique grafting method, comprising the steps: [0005] (1) select no damage by diseases and insect pests and robust cotton seedlings or plants as rootstock and scion; [0006] (2) at t...

Claims

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Application Information

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IPC IPC(8): A01G1/06
Inventor 周瑞阳
Owner GUANGXI UNIV
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